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LM20125MHX/NOPB - Texas Instruments

Description: 2.95-5.5V, 5A, Current Mode Synchronous Buck Regulator with Optional Automotive Grade

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LM20125MHX/NOPB - Texas Instruments - PCB symbol
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LM20125MHX/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP0016A PowerPAD HTSSOP - 1.2 mm max height
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LM20125MHX/NOPB - Texas Instruments - 3D model - Small Outline Packages - PWP0016A PowerPAD HTSSOP - 1.2 mm max height
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LM20125MHX/NOPB Details

  • Manufacturer Part Number:

    LM20125MHX/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.95 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    5 A

  • Output Voltage-Max:

    5 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    500 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4.4 mm

LM20125MHX/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the device near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the heat sink. The datasheet provides some guidelines, but a more detailed application note from TI provides additional recommendations.
  • To ensure stability and prevent oscillations, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, using a low-ESR output capacitor and a high-quality input capacitor can help. TI also provides a stability analysis tool to help with component selection.
  • While the datasheet specifies a maximum input voltage of 42V, it's essential to note that the device can withstand voltage transients up to 50V for short durations. However, it's recommended to use a voltage transient suppressor or a TVS diode to protect the device from voltage spikes.
  • The power dissipation can be calculated using the formula Pd = (Vin - Vout) x Iout. The junction temperature can be estimated using the thermal resistance (RθJA) and the power dissipation. TI provides a thermal calculation tool to help with these calculations.
  • The recommended input capacitor is a 10uF ceramic capacitor with a voltage rating of 50V or higher. The recommended output capacitor is a 22uF ceramic capacitor with a voltage rating of 10V or higher. However, the specific capacitor values may vary depending on the application and output voltage.

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LM20125MHX/NOPB Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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